In the past, I’ve done the gladiator diet and the sumo diet. Today it’s the ninja diet. The ninja were pretty much vegans. They avoided meat, fish and dairy. They also avoided foods that have an odor so no one could smell them when they were sneaking around in the dark.
To quench their thirst the had “thirst balls” made of plum pulp, rye ergot and sugar. For hunger, they used hunger balls – carrots, flour, yam and licorice root steeped in sake.Ninja Encyclopedia
All in all, I think it was easier and tastier to eat like a gladiator or sumo wrestler than a ninja.
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